Poster calendar



FIG. 1 is a front perspective view of a poster calendar showing my new design in a fully folded configuration;

FIG. 2 is a front elevational view thereof, in a partially opened configuration;

FIG. 3 is a front elevational view thereof, in a fully opened configuration;

FIG. 4 is a side elevational view thereof, the undisclosed side being the same;

FIG. 5 is a rear elevational view thereof, in a fully folded configuration;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof. 

The ornamental design for a poster calendar, as shown and described. 